Duck decoy



FIG. 1 is a perspective view of a duck decoy showing our new design, the broken line showing of two containers is for illustrative purposes only and forms no part of claimed design;

FIG. 2 is a top plan view of the invention;

FIG. 3 is a side elevational view of the invention;

FIG. 4 is side elevational view of the present invention;

FIG. 5 is front elevational view of the present invention;

FIG. 6 is a rear elevational view of the present invention; and,

FIG. 7 is a bottom plan view of the present invention. 

The ornamental design for a duck decoy, as shown and described. 